That's according to soap opera star Kate del Castillo, who says she got intimate with the Oscar-winning actor during that surprising quest.

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"I never fell for him. We had sex," Del Castillo said of Penn in ABC's "Good Morning America." "We're both adults, single and something was going on, but that was it. It was business."

Del Castillo, 44, facilitated the Oct. 2015 conversation between Penn and El Chapo, which she also attended. El Chapo, whose real name is Joaquin Guzman, was hiding at an undisclosed location at the time following his second escape from prison.

Penn, 57, detailed their encounter with the drug kingpin in a January 2016 essay, which was published by Rolling Stone one day after El Chapo was captured by Mexican authorities.

El Chapo was extradited to United States in January and taken to the Metropolitan Correctional Center in Manhattan. He's awaiting a trial scheduled for April 2018 in Brooklyn.

Speculation previously swirled about whether Del Castillo was romantically involved with El Chapo, but she says those rumors were "so stupid." But nobody had ever asked if she was ever intimate with Penn, she told ABC.

Del Castillo chronicles her experience meeting with El Chapo in a new three-part documentary series titled "The Day I Met El Chapo: The Kate del Castillo Story," which Netflix premiered on Friday.

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The project was released despite resistance from Penn and his legal team, as an attorney for the actor fired off a letter to Netflix warning that "blood will be on their hands if this film causes bodily harm," according to The New York Times.

Penn is concerned that Del Castillo's series implies he played a role in authorities finding El Chapo, which he and his team have refuted according to the Times report. A representative for Penn released a statement asserting that he never informed the Department of Justice about his encounter with El Chapo.

El Chapo was captured by Mexican authorities in January 2016. (HENRY ROMERO/REUTERS)

"The notion that Mr. Penn or anyone on his behalf alerted D.O.J. to the trip is a complete fabrication and bald-faced lie," reads the statement, according to the Times. "It never happened, nor would there have been any reason for it to have happened."

Netflix also submitted a statement claiming the documentary never suggests Penn worked with the D.O.J.

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Del Castillo, meanwhile, told ABC that she didn't play a role in El Chapo's capture, either.

"I have nothing to do with him getting caught," she said. "I don't work for the government, and I am just interested in my career and trying to do a good story."